kernel-uimage: optimise UBOOT_ENTRYSYMBOL support
This is the remaining local change to a fix similar to
commit
e0b4f018d1c2 ("kernel-uimage.bbclass: Fix up
generation of uImage from vmlinux"):
Make awk exit on match to save a few CPU cycles so as
to make this similar to kernel-fitimage.bbclass
Signed-off-by: André Draszik <adraszik@tycoint.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
(cherry picked from commit
614e8be7a89a2f2113fa40b11e7a05b9e8155f6a)
Signed-off-by: André Draszik <adraszik@tycoint.com>
Signed-off-by: Armin Kuster <akuster808@gmail.com>
